public void ShouldReturnFalseOnNullEntity()
        {
            SourceSystem entity = null;

            var value = new MdmId {
                SystemName = "B", Identifier = "B"
            };

            Assert.IsFalse(entity.HasIdentifier(value));
        }
        public void ShouldReturnFalseOnNullIdentifier()
        {
            var entity = new SourceSystem();

            entity.Identifiers.Add(new MdmId {
                SystemName = "A", Identifier = "A"
            });

            MdmId value = null;

            Assert.IsFalse(entity.HasIdentifier(value));
        }
        public void ShouldReturnFalseIfNotPresent()
        {
            var entity = new SourceSystem();

            entity.Identifiers.Add(new MdmId {
                SystemName = "A", Identifier = "A"
            });

            var value = new MdmId {
                SystemName = "B", Identifier = "B"
            };

            Assert.IsFalse(entity.HasIdentifier(value));
        }